Home / 143,850,404.40-215,775,606.60-82,628,401.20

Finding the Fourth Proportional to 143,850,404.40, 215,775,606.60 and 82,628,401.20

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Solution

The fourth proportional to 143,850,404.40, 215,775,606.60 and 82,628,401.20 is: 123,942,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,850,404.40 : 215,775,606.60 = 82,628,401.20 : x
  2. Step 2: Convert to fraction form
    143,850,404.40/215,775,606.60 = 82,628,401.20/x
  3. Step 3: Cross multiply
    143,850,404.40x = 215,775,606.60 × 82,628,401.20
  4. Step 4: Simplify right side
    143,850,404.40x = 17,829,193,391,318,168
  5. Step 5: Solve for x
    x = 17,829,193,391,318,168/143,850,404.40
  6. Step 6: Final answer
    x = 123,942,601.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.